John Gills Exposition of the Bible Commentary - 1 Chronicles 7:21
And Zabad his son ,.... Not the son of Tahath the second last mentioned, but the son of Ephraim, a second son of his: and Shuthelah ; his son, the son of Zabad, called after his uncle's name, 1 Chronicles 7:20 . and Ezer, and Elead ; two other sons of Zabad: whom the men of Gath that were born in that land slew : that is, Zabad and his three sons; these the men of Gath slew, who were Philistines that dwelt there, and were originally of Egypt, and were born in that land, but had... read more
Matthew Henry's Complete Commentary - 1 Chronicles 7:20-40
We have here an account, I. Of the tribe of Ephraim. Great things we read of that tribe when it came to maturity. Here we have an account of the disasters of its infancy, while it was in Egypt as it should seem; for Ephraim himself was alive when those things were done, which yet is hard to imagine if it were, as is here computed, seven generations off. Therefore I am apt to think that either it was another Ephraim or that those who were slain were the immediate sons of that Ephraim that was... read more